- Show versi, daftar process, thread
SHOW VARIABLES LIKE "%version%";
SHOW FULL PROCESSLIST;
SHOW PROCESSLIST;
SHOW STATUS LIKE 'Thread%';
- Solusi ketika membuat user keluar pesan kesalahan "ERROR 1054 (42S22): Unknown column 'password_last_changed' in 'mysql.user' "
mysql_upgrade -u root -p
/etc/init.d/mysqld restart
Lakukan drop user, flush privileges, kemudian lakukan pembuatan user dan tentukan grant dan flush privileges nya.
- Cek dan Un-Install password authentication plug-in di MySQL
mysql> select * from information_schema.plugins where plugin_name='validate_password';
Empty set (0.05 sec)